package com.bluemson.service;

import com.bluemson.entity.Article;
import com.bluemson.entity.Concern;
import com.bluemson.entity.User;

/**
 * @author mac
 */
public interface CheckService {
    User checkLogin(User user);
    void exitLogin(User user);
    boolean checkHost(String username);
    boolean checkConcern(Concern concern);
    boolean checkLike(Article article);
}
